(L)aughed(U)nder(M)y(B)reath. Text speak, it was funny, but not that funny.
LUMB< It's text speak, sentence is irrelevant.
Girl 1: i think i just shit my pants omg that’s so embarrassing
Girl 2: lumbbbbb
A female known for taking part in ungodly activities (a slag or prostitute)
'You're such a lumb' - 'That girl over there is a lumb'
Covering the male penis in milk and honey, then proceeding to insert it into a tree
“Me and my pals are gonna go lumbing in the woods this weekend”
Coating the male penis in milk and honey, then proceeding to insert it into a tree
“Me and the guys are going to go lumbing in the woods this weekend”